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- external shuffle service 内容精选 换一换
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4、尽量减少随机I/O。通过聚簇/局部聚簇可以实现热数据的连续存储，将随机I/O转换为连续I/O，从而减少扫描的I/O代价。 5、尽量避免数据shuffle。 GaussDB 开发字段设计原则 GaussDB开发在字段设计时，基于查询效率的考虑，一般遵循以下原则： 1、尽量使用高效数据类型：来自：专题程) false或skip (跳过删除流程，默认选项) delete_net 否 String 是否删除elb（弹性负载均衡）等集群Service/Ingress相关资源。 枚举取值： true或block (执行删除流程，失败则阻塞后续流程，默认选项) try (执行删除流程，失败则忽略，并继续执行后续流程)来自：百科
- external shuffle service 相关内容
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unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科
- external shuffle service 更多内容
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objects 上下文列表。 current-context String 当前上下文，若存在publicIp（虚拟机弹性IP）时为 external; 若不存在publicIp为 internal。 表6 Clusters 参数 参数类型 描述 name String 集群名字。来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
允许使用的字符。 该字段不会被数据库保存，当前仅用于指定集群待安装插件。 可通过加入"cluster.install.addons.external/install":"[{"addonTemplateName":"icagent"}]"的键值对在创建集群时安装ICAgent。 labels来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
执行的SQL具体内容（连接断开审计不存在该项）。 user 登录的帐户。 host 登录的host，当本地登录时为localhost，远程登录为空。 external_user 代理用户名称。 ip 通过远程连接的客户端IP，本地连接为空。 default_db 执行SQL时默认的数据库。 云数据库 RDS来自：专题![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科![]()
unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable来自：百科
